205420535 has 8 divisors (see below), whose sum is σ = 246833136. Its totient is φ = 164117440.

The previous prime is 205420517. The next prime is 205420541. The reversal of 205420535 is 535024502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205420535 - 2¹⁴ = 205404151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23189 + ... + 30798.

It is an arithmetic number, because the mean of its divisors is an integer number (30854142).

Almost surely, 2^205420535 is an apocalyptic number.

205420535 is a deficient number, since it is larger than the sum of its proper divisors (41412601).

205420535 is an equidigital number, since it uses as much as digits as its factorization.

205420535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54753.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 205420535 is about 14332.4992586778. The cubic root of 205420535 is about 590.0397703728.

The spelling of 205420535 in words is "two hundred five million, four hundred twenty thousand, five hundred thirty-five".